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▼In the early stages of use it is recommended to use the high end of the pillow. Before going to sleep whether lying on your side or on your back make sure to place your head in the middle of the pillow with your neck and the pillow fitting together in a tight seam leaving no gaps. If you wake up during sleep and feel that your sleeping posture has changed your head is off the middle and there is a gap between your neck and the pillow you should adjust it in time until there is no gap i.e. your neck should fit perfectly with the high end curve of the pillow.